/* ==========================================================================
   TAPARE — PRIVATE CO-FOUNDER HUB
   Design system : encre profonde + or, signature kintsugi/bol
   ========================================================================== */

:root{
  /* Identité */
  --ink:        #0B3238;   /* titres, texte foncé sur clair */
  --ink-deep:   #071F24;   /* fond très sombre (dérivé) */
  --mid:        #0e4149;   /* dégradé profondeur, milieu */
  --gold:       #B4863A;   /* accents, CTA, tags */
  --gold-light: #e7ce9a;   /* accents clairs sur fond sombre */

  /* Neutres dérivés */
  --paper:      #FBF9F4;   /* fond clair chaleureux */
  --paper-pure: #FFFFFF;
  --line:       rgba(11,50,56,0.12);
  --line-dark:  rgba(231,206,154,0.16);
  --muted:      #4C6A6E;   /* texte secondaire sur clair */
  --muted-light:#AFC7C7;   /* texte secondaire sur sombre */

  /* Typo */
  --f-display: 'Fraunces', 'Times New Roman', serif;
  --f-body:    'Work Sans', -apple-system, sans-serif;
  --f-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -25px rgba(7,31,36,0.35);
  --ease: cubic-bezier(.16,.8,.24,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--f-display); font-weight:600; margin:0 0 .5em; letter-spacing:-.01em; color:var(--ink); }
p{ margin:0 0 1em; }
::selection{ background:var(--gold-light); color:var(--ink); }

:focus-visible{ outline:2px solid var(--gold); outline-offset:3px; border-radius:4px; }

.container{ max-width:1080px; margin:0 auto; padding:0 24px; }
.container--narrow{ max-width:760px; }

/* ---------- Eyebrow / labels / badges (mono) ---------- */
.eyebrow{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold);
  display:inline-flex;
  align-items:center;
  gap:.6em;
  margin-bottom:1.1em;
}
.eyebrow::before{
  content:'';
  width:22px; height:1px;
  background:var(--gold);
  display:inline-block;
}
.badge{
  font-family:var(--f-mono);
  font-size:11px;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:.35em .8em;
  border-radius:100px;
  border:1px solid var(--line);
  color:var(--muted);
  display:inline-block;
  white-space:nowrap;
}
.badge--gold{ border-color:rgba(180,134,58,.4); color:var(--gold); background:rgba(180,134,58,.08); }
.badge--todo{ border-color:rgba(76,106,110,.3); color:var(--muted); }
.badge--secure{ border-color:rgba(180,134,58,.5); color:var(--gold); background:rgba(180,134,58,.08); }

/* ---------- Top navigation ---------- */
.topbar{
  position:sticky; top:0; z-index:100;
  background:rgba(251,249,244,0.88);
  backdrop-filter:blur(10px) saturate(1.1);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  max-width:1080px; margin:0 auto; padding:14px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:var(--f-display); font-size:18px; color:var(--ink); font-weight:600;
}
.brand__mark{ width:26px; height:26px; flex:none; }
.brand__sub{ font-family:var(--f-mono); font-size:10px; color:var(--muted); letter-spacing:.1em; text-transform:uppercase; display:block; margin-top:1px; }

.nav-toggle{
  display:none;
  width:40px; height:40px; border-radius:10px; border:1px solid var(--line);
  background:transparent; cursor:pointer; align-items:center; justify-content:center;
}
.nav-toggle svg{ width:18px; height:18px; }

.nav{ display:flex; align-items:center; gap:2px; flex-wrap:wrap; }
.nav a{
  font-family:var(--f-mono); font-size:12px; letter-spacing:.03em;
  padding:9px 12px; border-radius:100px; color:var(--muted);
  transition:color .2s var(--ease), background .2s var(--ease);
  white-space:nowrap;
}
.nav a:hover{ color:var(--ink); background:rgba(11,50,56,.06); }
.nav a.is-active{ color:var(--ink); background:var(--gold-light); }

@media (max-width: 880px){
  .nav-toggle{ display:flex; }
  .nav{
    position:fixed; inset:64px 0 0 0; height:calc(100vh - 64px);
    background:var(--paper); flex-direction:column; align-items:stretch;
    padding:12px; gap:2px; transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .25s var(--ease), transform .25s var(--ease);
    overflow-y:auto;
  }
  .nav.is-open{ opacity:1; pointer-events:auto; transform:translateY(0); }
  .nav a{ font-size:14px; padding:16px 14px; border-bottom:1px solid var(--line); border-radius:0; }
}

/* ---------- Hero (dark) ---------- */
.hero{
  position:relative;
  background:radial-gradient(120% 140% at 15% -10%, var(--mid) 0%, var(--ink) 45%, var(--ink-deep) 100%);
  color:var(--paper-pure);
  padding:96px 0 88px;
  overflow:hidden;
}
.hero::after{
  content:'';
  position:absolute; inset:0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(231,206,154,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 70% 60%, rgba(231,206,154,.35) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 40% 80%, rgba(231,206,154,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 85% 20%, rgba(231,206,154,.4) 50%, transparent 51%),
    radial-gradient(1px 1px at 55% 15%, rgba(231,206,154,.3) 50%, transparent 51%);
  pointer-events:none;
}
.hero .eyebrow{ color:var(--gold-light); }
.hero .eyebrow::before{ background:var(--gold-light); }
.hero h1{
  color:var(--paper-pure);
  font-size:clamp(34px, 6vw, 58px);
  line-height:1.06;
  max-width:16ch;
}
.hero p.lede{
  font-size:clamp(16px,2vw,19px);
  color:var(--muted-light);
  max-width:52ch;
  margin-top:18px;
}
.hero__meta{ margin-top:34px; display:flex; gap:28px; flex-wrap:wrap; }
.hero__meta div{ font-family:var(--f-mono); font-size:11px; color:var(--gold-light); text-transform:uppercase; letter-spacing:.08em; }
.hero__meta strong{ display:block; font-family:var(--f-display); font-size:20px; color:var(--paper-pure); text-transform:none; letter-spacing:0; margin-top:4px; }

.hero--compact{ padding:64px 0 56px; }

/* ---------- Sections ---------- */
section{ padding:72px 0; }
section + section{ border-top:1px solid var(--line); }
.section-head{ max-width:640px; margin-bottom:40px; }
.section-head h2{ font-size:clamp(26px,3.4vw,36px); }
.section-head p{ color:var(--muted); font-size:16px; }

.on-dark{ background:var(--ink); color:var(--paper-pure); }
.on-dark h2, .on-dark h3, .on-dark h4{ color:var(--paper-pure); }
.on-dark p{ color:var(--muted-light); }
.on-dark .eyebrow{ color:var(--gold-light); }
.on-dark .eyebrow::before{ background:var(--gold-light); }

/* ---------- Buttons ---------- */
.btn{
  font-family:var(--f-mono); font-size:12px; letter-spacing:.06em; text-transform:uppercase;
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 22px; border-radius:100px; border:1px solid transparent;
  cursor:pointer; transition:transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.btn--gold{ background:var(--gold); color:var(--ink-deep); }
.btn--gold:hover{ transform:translateY(-2px); background:#c69a4e; }
.btn--ghost{ border-color:var(--line-dark); color:var(--paper-pure); }
.btn--ghost:hover{ border-color:var(--gold-light); color:var(--gold-light); }
.btn--ghost-light{ border-color:var(--line); color:var(--ink); }
.btn--ghost-light:hover{ border-color:var(--gold); color:var(--gold); }

/* ---------- Cards ---------- */
.grid{ display:grid; gap:20px; }
.grid--2{ grid-template-columns:repeat(2,1fr); }
.grid--3{ grid-template-columns:repeat(3,1fr); }
.grid--4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:880px){ .grid--2,.grid--3,.grid--4{ grid-template-columns:1fr; } }

.card{
  background:var(--paper-pure);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); border-color:rgba(180,134,58,.35); }
.card h3{ font-size:20px; margin-bottom:.4em; }
.card p{ color:var(--muted); font-size:14.5px; margin-bottom:0; }
.card .eyebrow{ margin-bottom:.8em; }

.card--dark{ background:var(--mid); border-color:rgba(231,206,154,.14); }
.card--dark h3{ color:var(--paper-pure); }
.card--dark p{ color:var(--muted-light); }

/* ---------- Vertical / flow list ---------- */
.flow{ display:flex; flex-direction:column; gap:0; }
.flow__step{
  display:flex; align-items:flex-start; gap:18px;
  padding:16px 0; border-bottom:1px dashed var(--line);
  font-size:15px;
}
.flow__step:last-child{ border-bottom:none; }
.flow__step .n{
  font-family:var(--f-mono); font-size:11px; color:var(--gold);
  border:1px solid rgba(180,134,58,.4); border-radius:100%;
  width:26px; height:26px; flex:none; display:flex; align-items:center; justify-content:center;
}
.flow__step .t{ color:var(--muted); }
.flow__step .t strong{ color:var(--ink); font-weight:600; }

/* ---------- Architecture chain (Tapare -> ... -> Apps) ---------- */
.chain{ display:flex; flex-direction:column; }
.chain__node{
  position:relative;
  border:1px solid var(--line); border-radius:var(--radius);
  padding:22px 26px; background:var(--paper-pure);
}
.chain__node h4{ margin-bottom:2px; font-size:19px; }
.chain__node .tag{ font-family:var(--f-mono); font-size:11px; color:var(--muted); text-transform:uppercase; letter-spacing:.06em; }
.chain__node p{ margin-top:8px; margin-bottom:0; color:var(--muted); font-size:14.5px; }
.chain__arrow{
  align-self:center; width:1px; height:30px; background:linear-gradient(var(--gold), transparent);
  position:relative;
}
.chain__arrow::after{
  content:''; position:absolute; left:50%; bottom:-1px; transform:translateX(-50%);
  width:7px; height:7px; border-right:1.5px solid var(--gold); border-bottom:1.5px solid var(--gold);
  rotate:45deg;
}

/* ---------- Signature: le Bol / Ariihub core diagram ---------- */
.bowl{
  position:relative;
  width:100%; max-width:520px; aspect-ratio:1/1; margin:0 auto;
}
.bowl svg{ width:100%; height:100%; }
.bowl__label{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  flex-direction:column; text-align:center; pointer-events:none;
}
.bowl__label strong{ font-family:var(--f-display); font-size:20px; color:var(--ink); }
.bowl__label span{ font-family:var(--f-mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:var(--gold); margin-top:4px; }
.bowl__node{
  position:absolute; transform:translate(-50%,-50%);
  text-align:center; width:150px;
  background:var(--paper-pure); border:1px solid var(--line); border-radius:100px;
  padding:8px 14px;
}
.bowl__node .tag{ display:block; font-family:var(--f-mono); font-size:9.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--gold); }
.bowl__node .name{ display:block; font-family:var(--f-display); font-size:15px; color:var(--ink); margin-top:2px; }
.bowl__node--ghost{ border-style:dashed; opacity:.75; }
.bowl__node--ghost .name{ font-size:12.5px; }

/* ---------- Roadmap phases ---------- */
.phase{
  border:1px solid var(--line); border-radius:var(--radius);
  padding:26px; background:var(--paper-pure); position:relative;
}
.phase__index{ font-family:var(--f-mono); font-size:12px; color:var(--gold); letter-spacing:.1em; }
.phase h3{ font-size:20px; margin:.3em 0 .8em; }
.phase ul{ margin:0; padding-left:18px; color:var(--muted); font-size:14.5px; }
.phase li{ margin-bottom:6px; }

/* ---------- Kanban / status board ---------- */
.board{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
@media (max-width:960px){ .board{ grid-template-columns:1fr 1fr; } }
@media (max-width:620px){ .board{ grid-template-columns:1fr; } }
.board__col{ background:var(--paper-pure); border:1px solid var(--line); border-radius:var(--radius); padding:16px; min-height:120px; }
.board__col h4{ font-family:var(--f-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); margin-bottom:14px; }
.board__item{
  font-size:13.5px; padding:12px 14px; border-radius:var(--radius-sm);
  background:var(--paper); border:1px solid var(--line); margin-bottom:10px;
}
.board__col--done .board__item{ border-color:rgba(180,134,58,.35); background:rgba(180,134,58,.06); }

/* ---------- Decision cards ---------- */
.decision{
  border:1px solid var(--line); border-radius:var(--radius); padding:26px; background:var(--paper-pure);
  display:grid; gap:14px;
}
.decision__row{ display:flex; gap:10px; font-size:14px; }
.decision__row .k{ font-family:var(--f-mono); font-size:10.5px; text-transform:uppercase; letter-spacing:.08em; color:var(--gold); width:110px; flex:none; padding-top:2px; }
.decision__row .v{ color:var(--ink); }

/* ---------- Fenua <-> Global diagram ---------- */
.twoway{ display:grid; grid-template-columns:1fr auto 1fr; gap:22px; align-items:center; }
@media (max-width:760px){ .twoway{ grid-template-columns:1fr; } }
.twoway__col{ text-align:center; }
.twoway__mid{ font-family:var(--f-mono); font-size:11px; color:var(--gold); writing-mode:vertical-rl; text-transform:uppercase; letter-spacing:.1em; }
@media (max-width:760px){ .twoway__mid{ writing-mode:horizontal-tb; text-align:center; } }

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-deep); color:var(--muted-light); padding:56px 0 32px;
}
.site-footer .container{ display:flex; flex-direction:column; gap:22px; }
.site-footer__top{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; }
.site-footer h4{ color:var(--gold-light); font-size:14px; margin-bottom:10px; }
.site-footer p, .site-footer a{ font-size:13.5px; color:var(--muted-light); }
.site-footer a:hover{ color:var(--gold-light); }
.site-footer__legal{ font-family:var(--f-mono); font-size:11px; color:rgba(175,199,199,.5); border-top:1px solid var(--line-dark); padding-top:20px; }

/* ---------- Final CTA banner ---------- */
.cta-final{
  background:radial-gradient(120% 160% at 85% 110%, var(--mid) 0%, var(--ink) 55%, var(--ink-deep) 100%);
  color:var(--paper-pure); text-align:center; padding:80px 0;
}
.cta-final .line{ font-family:var(--f-display); font-size:clamp(22px,3.6vw,32px); line-height:1.4; color:var(--paper-pure); }
.cta-final .line em{ font-style:normal; color:var(--gold-light); }

/* ---------- Utility ---------- */
.mt-0{margin-top:0;} .mb-0{margin-bottom:0;}
.stack{ display:flex; flex-direction:column; gap:14px; }
.center{ text-align:center; }
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

.privacy-note{
  font-family:var(--f-mono); font-size:11px; color:var(--muted);
  border:1px dashed var(--line); border-radius:var(--radius-sm); padding:12px 16px;
}